SHLD stock started its 2 to 3 day decline on the afternoon of Wed 18 Nov, less than 60 minutes after the above the publication of the above report by Fitch.
SHLD stock did decline on Tue 17 Nov, however, it did so on low volume, and after reaching an intraday high of $23.66. So the 13F position change does not seem to be a catalyst, whereas the timing of the Fitch report correlates with the start of the high-volume decline in SHLD stock.